I ICS29.240 P CEC 1312009 Q/ GDW 2010 CodeofOperationforHVDC ConverterValve 2010-09-25 2010-09-25 Q / GDW I II 1 1 2 1 3 1 4 1 5 3 6 4 7 6 8 7 9 8 10 9 11 10 12 11 13Q / GDW II Q / GDW 1 660kV GB 50255 GB 50171 GB/T 13498 GBJ147 GB 50150 GB20990 DL/T664 Q/GDW111 GB/T 13498 IEC 60071 5 a b c d 1 2 3 4 e 1 2 3 4 5 6 Q / GDW 2 f 1 2 3 g 1 2 3 h 1 2 i 1 2 5mm 3 4 5 6 7 a b c 1 2 20 3 4 a b c d 1 2 Q / GDW 3 e 1 2 3 4 5 a b c d a b c d e f g h i j k l m n a b c Q / GDW 4 DL/T664 a du/dt 60 90 d 50 60% c 40 50 50 65 a b c d e f a 1 2 0.5 2 3 3 b c d e a b c d Q / GDW 5 e f g h a b c d e f 1 2
